Table 4.
Effects of multiple variables on Clinical Outcomes in COX regression analysis.
| Univariate Analysis | Multivariate Analysis | |||||
|---|---|---|---|---|---|---|
| HR | 95% CI | p value | HR | 95% CI | p value | |
| BNP per 1 ng/L increase | 1.000 | 1.000–1.000 | <0.001 | 1.000 | 1.000–1.000 | 0.001 |
| Creatinine per 1 umol/L increase | 1.000 | 0.997–1.003 | 0.997 | |||
| BUN as a continuous variable | ||||||
| BUN per 1 mmol/L increase | 1.029 | 1.020–1.037 | <0.001 | 1.016 | 1.006–1.026 | 0.002a |
| BUN as a categories variable | ||||||
| Low BUN group | Reference | Reference | ||||
| High BUN group | 1.959 | 1.511–2.541 | <0.001 | 1.355 | 1.023–1.794 | 0.034a |
aAdjusted for age, gender, heart rate on admission, NYHA class, hemoglobin, albumin, uric acid, creatinine, total cholesterol, low density lipoprotein, fasting blood glucose, serum sodium, BNP, ejection fraction on admission, use of of β-receptor blockers and spironolactone.